Specifies a role title for use to build the dump. this feature causes pg_dump to challenge a established ROLE rolename
In the situation of the parallel dump, the snapshot identify defined by this selection is made use of as opposed to taking a completely new snapshot.
parameter is interpreted being a pattern according to the similar rules used by psql's \d commands (see Patterns), so many schemas will also be picked by producing wildcard characters inside the sample.
probably the most versatile output file formats are definitely the “personalized” structure (-Fc) plus the “directory” format (-Fd). they permit for range and reordering of all archived merchandise, support parallel restoration, and therefore are compressed by default. The “Listing” format is the only structure that supports parallel dumps.
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this selection is helpful when needing to synchronize the dump with a reasonable replication slot (see Chapter forty nine) or by using a concurrent session.
Output instructions to DROP the many dumped database objects previous to outputting the commands for producing them. this feature is useful once the restore should be to overwrite an current database.
To make an empty databases with none community additions, duplicate from template0 not template1, for instance:
drive quoting of all identifiers. this feature is recommended when dumping a databases from the server whose PostgreSQL main Variation is different from pg_dump's, or once the output is intended to be loaded right into a server of a distinct key Model.
Requesting special locks on databases objects whilst managing a parallel dump could bring about the dump to fail. The main reason would be that the pg_dump leader method requests shared locks (entry SHARE) to the objects the employee procedures are going to dump afterwards to be able to make sure that no one deletes them and tends to make them disappear while the dump is jogging. If One more shopper then requests an exceptional lock on the desk, that lock will not be granted but will be queued looking ahead to the shared lock with the chief procedure to generally be produced.
. The timeout could possibly be specified in any from the formats approved by established statement_timeout. (Allowed formats range according to the server Variation you're dumping from, but an integer range of milliseconds is approved by all variations.)
+ 1 connections towards the database, so be certain your max_connections placing is large sufficient to support all connections.
Use this In case you have referential integrity checks or other triggers around the tables that you do แทงบอลออนไลน์ not wish to invoke through data restore.
Some installations have a coverage from logging in directly for a superuser, and use of this selection enables dumps to get designed without having violating the plan.
This option isn't vital, due to the fact pg_dump will mechanically prompt for just a password if the server requires password authentication.